Test Details

Mnemonic

ARIX

Ordering Code

3423100

CPT-4 Code(s)

80299

Specimen Information

Patient Preparation

This test is only valid for monitoring patients on Arixtra, not unfractionated heparin or low molecular weight heparin.

Collect

Light blue 3.2 % sodium citrate

Specimen Preparation

See appendices for coagulation test collection instructions. Send 1.0 mL plasma in a screw capped plastic vial.

Minimum Volume

0.5 mL

Transport Temperature

Frozen

Rejection Criteria

Specimens received room temperature or refrigerated

Stability

Room temperature: 8 hours
Refrigerated: 24 hours
Frozen: 21 days

Methodology

Anti-Xa Chromogenic
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Reference Range

See report
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Performing Laboratory

Quest SJC
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